Andy Weir built a two-decade career as a software engineer until the enormous success of his first published novel, The Martian, allowed him to live out his dream of writing full-time. Andy is a lifelong space nerd and a devoted hobbyist of such subjects as relativistic physics, orbital mechanics and the history of manned spaceflight. In this episode Andy discusses his background as well as his latest novel, Artemis, an adventurous and suspense story which takes place on the Moon.

Ever wonder what a mysterious object is in the sky? In this episode Dean Regas, the astronomer for the Cincinnati Observatory, discusses popular things to see in the night sky and how to see them. Dean's also the co-host of Star Gazers on PBS, as well as author of two books, “Facts from Space!” and “100 Things to see in the Night Sky”. Dean is a contributing editor to Sky & Telescope magazine and Astronomy magazine, and has written more than 120 astronomy articles for the Cincinnati Enquirer and blogs for the Huffington Post. He’s also been a frequent guest on NPR’s Science Friday, been featured in the New York Times and hosts an astronomy podcast along with Anna Hehman called “Looking Up”.